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74VHC393 Datasheet(PDF) 4 Page - Fairchild Semiconductor

Part No. 74VHC393
Description  Dual 4-Bit Binary Counter
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74VHC393 Datasheet(HTML) 4 Page - Fairchild Semiconductor

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4
AC Electrical Characteristics
Note 4: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load Average
operating current can be obtained by the equation: ICC(opr.)
CPD*VCC*fIN  ICC/2 (per Counter)
AC Operating Requirements
Symbol
Parameter
VCC
(V)
TA 25qC
TA 40qC to 85qC
Units
Conditions
Min
Typ
Max
Min
Max
tPLH
Propagation
3.3
r 0.3
8.6
13.2
1.0
15.5
ns
CL 15 pF
tPHL
Delay Time
11.1
16.7
1.0
19.0
CL 50 pF
(CP -QA)
5.0
r 0.5
5.8
8.5
1.0
10.0
ns
CL 15 pF
7.3
10.5
1.0
12.0
CL 50 pF
tPLH
Propagation
3.3
r 0.3
10.2
15.8
1.0
18.5
ns
CL 15 pF
tPHL
Delay Time
12.7
19.3
1.0
22.0
CL 50 pF
(CP -QB)
5.0
r 0.5
6.8
9.8
1.0
11.5
ns
CL 15 pF
8.3
11.8
1.0
13.5
CL 50 pF
tPLH
Propagation
3.3
r 0.3
11.7
18.0
1.0
21.0
ns
CL 15 pF
tPHL
Delay Time
14.2
21.5
1.0
24.5
CL 50 pF
(CP -QC)
5.0
r 0.5
7.7
11.2
1.0
13.0
ns
CL 15 pF
9.2
13.2
1.0
15.0
CL 50 pF
tPLH
Propagation
3.3
r 0.3
13.0
19.7
1.0
23.0
ns
CL 15 pF
tPHL
Delay Time
15.5
23.2
1.0
26.5
CL 50 pF
(CP -QD)
5.0
r 0.5
8.5
12.5
1.0
14.5
ns
CL 15 pF
10.0
14.5
1.0
16.5
CL 50 pF
tPLH
Propagation
3.3
r 0.3
7.9
12.3
1.0
14.5
ns
CL 15 pF
tPHL
Delay Time
10.4
15.8
1.0
18.0
CL 50 pF
(CLR-Qn)5.0 r 0.5
5.4
8.1
1.0
9.5
ns
CL 15 pF
6.910.11.0
11.5
CL 50 pF
fMAX
Maximum
3.3
r 0.3
75
120
65
MHz
CL 15 pF
Clock
45
65
35
CL 50 pF
5.0
r 0.5
125
170
105
CL 15 pF
85
115
75
CL 50 pF
CIN
Input Capacitance
4
10
10
pF
VCC Open
CPD
Power Dissipation
23
pF
(Note 4)
Capacitance
Symbol
Parameter
VCC
(V)
TA 25qCT A  40qC to 85qC
Units
Typ
Guaranteed Minimum
tW(L)
Minimum Pulse
3.3
r 0.3
5.0
5.0
ns
tW(H)
Width (CP)5.0
r 0.5
5.0
5.0
tW(H)
Minimum Pulse
3.3
r 0.3
5.0
5.0
ns
Width (CLR)
5.0
r 0.5
5.0
5.0
tREM
Minimum Removal
3.3
r 0.3
5.0
5.0
ns
Time
5.0
r 0.5
4.0
4.0


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